essential airport facility
Defined in 1 dictionary — U.S. Code
United States Code
49 U.S.C. § 41744 — in this section (2 versions over time)
Essential Airport Facility Defined.—In this section, the term “essential airport facility” means a large hub airport in the contiguous 48 States at which one air carrier has more than 60 percent of the total annual enplanements at that airport.